Titanium Ti-6Al-4V (Grade 5), Annealed Bar

Subcategory: Alpha/Beta Titanium Alloy; Metal; Nonferrous Metal; Titanium Alloy

Close Analogs: 4 other heat treatments of this alloy are listed in MatWeb.

Key Words: Ti-6-4; UNS R56400; ASTM Grade 5 titanium; UNS R56401 (ELI); Ti6Al4V, biomaterials, biomedical implants, biocompatibility

Component   Wt. %
FeMax 0.25 
OMax 0.2 

Material Notes:
Information provided by Allvac and the references. Annealing Temperature 700-785C. Alpha-Beta Alloy

Applications: Blades, discs, rings, airframe, fasteners, components. Vessels, cases, hubs, forgings.. Biomedical implants.

Biocompatibility: Excellent, especially when direct contact with tissue or bone is required. Ti-6Al-4V's poor shear strength makes it undesirable for bone screws or plates. It also has poor surface wear properties and tends to seize when in sliding contact with itself and other metals. Surface treatments such as nitriding and oxidizing can improve the surface wear properties.

Physical PropertiesMetricEnglishComments
Density4.43 g/cc0.16 lb/in 

Mechanical Properties
Hardness, Brinell334334 Estimated from Rockwell C.
Hardness, Knoop363363 Estimated from Rockwell C.
Hardness, Rockwell C3636 
Hardness, Vickers349349 Estimated from Rockwell C.
Tensile Strength, Ultimate900 MPa131000 psi 
Tensile Strength, Yield830 MPa120000 psi 
Elongation at Break10 %10 % 
Reduction of Area33 %33 % 
Modulus of Elasticity114 GPa16500 ksi Average of tension and compression
Compressive Yield Strength860 MPa125000 psi 
Poisson's Ratio0.330.33 
Fatigue Strength510 MPa74000 psi Smooth, 10,000,000 Cycles
Shear Modulus44 GPa6380 ksi 

Electrical Properties
Electrical Resistivity0.000178 ohm-cm0.000178 ohm-cm 
Magnetic Permeability1.000051.00005 at 1.6 kA/m
Magnetic Susceptibility3.3e-0063.3e-006 cgs/g

Thermal Properties
CTE, linear 20C8.6 m/m-C4.78 in/in-F 20-100C
CTE, linear 250C9.2 m/m-C5.11 in/in-F Average over the range 20-315C
CTE, linear 500C9.7 m/m-C5.39 in/in-F Average over the range 20-650C
Specific Heat Capacity0.5263 J/g-C0.126 BTU/lb-F 
Thermal Conductivity6.7 W/m-K46.5 BTU-in/hr-ft-F 
Melting Point1604 - 1660 C2920 - 3020 F 
Solidus1604 C2920 F 
Liquidus1660 C3020 F 
Beta Transus980 C1800 F 

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistant format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's disclaimer and terms of use regarding this information. MatWeb data and tools provided by MatWeb, LLC.